Students complete 10 practice problems.

In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.

Learners examine an electric motor control circuit that uses a motor starter module. This activity has audio content.

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

In this learning activity you'll practice converting from one metric unit to another.

Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

The learner will practice reading a Vernier caliper.

Basic Internet concepts for kids

You'll practice converting between units of measure for length in the metric and English measurement systems.